indexo.dev

cryptographic.co.uk

.uk crawl

First seen 2026-04-18 · Last seen 2026-05-12 · ok HTTP/1.1 200 4556 ms crawled 2026-05-12

US · 172.67.222.169 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
cool maths

Technology

CDN
Cloudflare

Registration

Registrar
OWA Digital Ltd.
Created
1999-10-08
Expires
2027-10-08 506 days left
Updated
2025-09-28
Name servers
  • elma.ns.cloudflare.com.
  • rocky.ns.cloudflare.com.

DNS records live

NS
  • elma.ns.cloudflare.com
  • rocky.ns.cloudflare.com

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-03-25 to 2026-06-23
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.cryptographic.co.uk/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (3)

Linked from (1)